General Spec Screen Bluelight LCD display FM Frequency 87.5 to 107.9MHz Function work as iPhone /iPod wire remote, plus the FM radio Compatibility All iPod , new iPod Nano 3rd Generation, Classic, Touch & iPhone except iPod shuffle Others cord Length: 55 cm; earphone/headphone jack: 3.5mm Features Excellent sound quality. Well design and easy to use. Bluelight LCD display will show the FM stations. Auto scan function. For remote control mode, you can control the iPhone/iPod when playing the music or video (with volume +/-, forward/backward, pause/play). For FM radio mode, you can choose the FM station from the wire remote. Set up to four favorite stations.